After the Hit movie Kadal Konden  the Selva Raagavan and Dhanush combo again joins in Erandam Ulagam. Selva Raagavan's Kadal Konden movie was gave the big entry for Dhanush in Tamil cinema. After that movie they didn't done any movie together. After number of years the decided to do a movie together and it was named as Erandam Ulagam. The heroine cast was at first done by Andrea but later Richa Gangopadhyay was commited for that character. The movie is basically a love story with different turns after the marriage of the couple. The lovers both have a dark past and the further story moves on that after their marriage. Another special in this movie is Selva Raagavan and Dhanush were written the lyrics of all the six songs. By this the brothers become as Lyricists. And Dhanush had sung two tracks out of six and other four tracks were sung by professional singers.The young music director G.V.Prakash is doing music for this movie and he finished the songs also. Soon he is going to start the re-recording work soon and the audio release may happen at July.